On Mon, Jun 01, 2020 at 12:10:54AM +0530, Gautam Ramakrishnan wrote: > On Sun, May 31, 2020 at 7:21 PM Michael Niedermayer > <mich...@niedermayer.cc> wrote: > > > > Fixes: use after free > > Fixes: > > 22484/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5671488765296640 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavcodec/jpeg2000dec.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c > > index 65555424ed..b7766459c4 100644 > > --- a/libavcodec/jpeg2000dec.c > > +++ b/libavcodec/jpeg2000dec.c > > @@ -928,6 +928,7 @@ static int get_ppt(Jpeg2000DecoderContext *s, int n) > > tile->packed_headers = new; > > } else > > return AVERROR(ENOMEM); > > + memset(&tile->packed_headers_stream, 0, > > sizeof(tile->packed_headers_stream)); > > memcpy(tile->packed_headers + tile->packed_headers_size, > > s->g.buffer, n - 3); > > tile->packed_headers_size += n - 3; > > -- > > 2.17.1 > > > > _______________________________________________ > > ffmpeg-devel mailing list > > ffmpeg-devel@ffmpeg.org > > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > > > To unsubscribe, visit link above, or email > > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". > > Looks good to me
will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Take away the freedom of one citizen and you will be jailed, take away the freedom of all citizens and you will be congratulated by your peers in Parliament.
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